Strobe. SOS strobe. Impact resistant. Water resistant. Modes: Turbo (1000 lumens, 1h runtime), High (500 lumens, 2h 15m runtime), Mid (210 lumens, 6h 30m runtime), Low (45 lumens, 38h runtime), Ultralow (1 lumen, 430h runtime). Features separate battery case. CREE XM-L2 U2 LED. 182m beam distance. Single switch controls all modes. Tilting mechanism provides 180 degree adjustment for mutli-angle lighting. Flood lighting system. Memory function. Elastic nylon headband. Requires (4) AA batteries (not included). Aluminum construction. Color: Black. Boxed with hanging tab.